ET WEB_SPECIFIC_APPS D-Link SetWifiDownSettings Multiple XML Tags Buffer Overflow Attempt (CVE-2023-43235)
Sourceet/open
CreatedOctober 10, 2025
UpdatedOctober 10, 2025
Classificationweb-application-attack
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS D-Link SetWifiDownSettings Multiple XML Tags Buffer Overflow Attempt (CVE-2023-43235)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/HNAP1"; http.request_body; content:"|3c 3f|xml|20|version|3d 22|1.0|22|"; content:"|3c|SetWifiDownSettings"; fast_pattern; pcre:"/\x3c(?:StartTime|EndTime)\x3e[^\x3e]{100,}(?:\x3e|$)/"; reference:cve,2023-43235; classtype:web-application-attack; sid:2065145; rev:1; metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_10_10, cve CVE_2023_43235, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
References
| cve | 2023-43235 |
Metadata
affected productD_Link
attack targetNetworking_Equipment
tls stateplaintext
created at2025_10_10
deploymentInternal
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_10_10
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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